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159 lines
4.2 KiB
Plaintext
159 lines
4.2 KiB
Plaintext
"use strict";
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/*
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Copyright [2014] [Diagramo]
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* A wrapper for canvas element. This should only used to save / store canvas' properties
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*
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* @constructor
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* @this {Builder}
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* @param {Number} width - the width of the {Canvas}
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* @param {Number} height - the height of the {Canvas}
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* @param {String} fillColor - the fill color of the {Canvas}
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* @author Zack Newsham <zack_newsham@yahoo.co.uk>
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* @author Alex Gheorghiu <alex@scriptoid.com>
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*/
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function CanvasProps(width, height, fillColor){
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/**Canvas width*/
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this.width = width;
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/**Canvas height*/
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this.height = height;
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/**Canvas fill color*/
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this.fillColor = fillColor;
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/**Canvas id. Used in main.js:updateShape() to see what object we have*/
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this.id = "canvasProps"; //
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/**Serialization type*/
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this.oType = 'CanvasProps';
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}
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/**default height for canvas*/
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CanvasProps.DEFAULT_HEIGHT = 600;
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/**default width for canvas*/
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CanvasProps.DEFAULT_WIDTH = 800;
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/**default fill color for canvas*/
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CanvasProps.DEFAULT_FILL_COLOR = "#ffffff";
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/**
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*We only ever have one instance of this class (like STACK)
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*but we need the creation of the Canvas to appear AFTER the page exists,
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*otherwise we would not be able to add it dinamically to the document.
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*@param {JSONObject} o
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*@return new {Canvas}
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*@author Zack Newsham <zack_newsham@yahoo.co.uk>
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*@author Alex Gheorghiu <alex@scriptoid.com>
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*/
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CanvasProps.load = function(o){
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var canvasprops = new CanvasProps();
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var tempVal = Number(o.height);
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canvasprops.height = !isNaN(tempVal) ? tempVal : CanvasProps.DEFAULT_HEIGHT;
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tempVal = Number(o.width);
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canvasprops.width = !isNaN(tempVal) ? tempVal : CanvasProps.DEFAULT_WIDTH;
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canvasprops.fillColor = o.fillColor;
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return canvasprops;
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}
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CanvasProps.prototype = {
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constructor : CanvasProps,
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/**Just clone the damn thing :)*/
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clone : function(){
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return new CanvasProps(this.width, this.height, this.fillColor);
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},
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/**Get width of the canvas*/
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getWidth:function(){
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return this.width;
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},
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/**
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* Set the width of the canvas. Also force a canvas resize
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* @param {Number} width - the new width
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*/
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setWidth:function(width){//required for undo
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this.width = width;
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this.sync();
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},
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/**Return the height of the canvas*/
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getHeight:function(){
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return this.height;
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},
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/**
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* Set the height of the canvas. Also force a Canvas resize
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* @param {Number} height - the new height
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*/
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setHeight:function(height){//required for undo
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this.height = height;
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this.sync();
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},
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/**Return the fill color of the canvas*/
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getFillColor:function(){
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return this.fillColor;
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},
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/**
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* Set the fill color of the canvas. Also force a Canvas sync
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* @param {String} fillColor - the new height
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*/
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setFillColor:function(fillColor){//required for undo
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this.fillColor = fillColor;
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this.sync();
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},
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/**
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*Resize the Canvas to current values
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*@author alex@scriptoid.com
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**/
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sync:function() {
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var canvas = getCanvas();
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canvas.height = this.height;
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canvas.width = this.width;
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canvas.fillColor = this.fillColor;
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//whenever we change a detail of the width of the canvas, we need to update the map
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minimap.initMinimap();
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//also the background //TODO: move it someplace else
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backgroundImage = null;
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},
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/**Returns a representation of the object
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*@return {String}
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**/
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toString: function(){
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return "CanvasProp [width: " + this.width + " height: " + this.height + " fillColor: " + this.fillColor + ' ]';
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}
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};
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